An illegal reflective access operation has occurred
Tuesday, 28 November 2017 · 5 messages · last reply 29 Nov 2017
MF
Massimo Franceschet28 Nov 2017 07:52 #
Hi.
I am trying BaseX version 8.6.7 with java version “9.0.1” on a macOS Sierra, planning to show it in classroom. When running the GUI I am getting the following error:
WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by org.basex.gui.GUIMacOSX (file:/Applications/basex/basex/BaseX.jar) to method
com.apple.eawt.Application.getApplication()
WARNING: Please consider reporting this to the maintainers of org.basex.gui.GUIMacOSX
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release Failed to initialize native Mac OS X interface
Thanks for help.
Massimo
CG
Christian Grün28 Nov 2017 17:17 #
Hi Massimo,
It seems Mac OSX support is getting more and more difficult with each Java release.
Could you still run BaseX in spite of the returned warnings?
Best,
Christian
Quoted text · Massimo Franceschet · 22 lines
On Tue, Nov 28, 2017 at 7:52 AM, Massimo Franceschet <massimo.franceschet at gmail.com> wrote: > Hi. > > I am trying BaseX version 8.6.7 with java version “9.0.1” on a macOS Sierra, > planning to show it in classroom. When running the GUI I am getting the > following error: > > WARNING: An illegal reflective access operation has occurred > WARNING: Illegal reflective access by org.basex.gui.GUIMacOSX > (file:/Applications/basex/basex/BaseX.jar) to method > com.apple.eawt.Application.getApplication() > WARNING: Please consider reporting this to the maintainers of > org.basex.gui.GUIMacOSX > WARNING: Use --illegal-access=warn to enable warnings of further illegal > reflective access operations > WARNING: All illegal access operations will be denied in a future release > Failed to initialize native Mac OS X interface > > Thanks for help. > > Massimo
MF
Massimo Franceschet29 Nov 2017 12:25 #
No, it is not running.
Best,
Massimo
Il 28 Nov 2017 17:18, "Christian Grün" <christian.gruen at gmail.com> ha scritto:
Quoted text · Christian Grün · 35 lines
> Hi Massimo, > > It seems Mac OSX support is getting more and more difficult with each > Java release. > Could you still run BaseX in spite of the returned warnings? > > Best, > Christian > > > > On Tue, Nov 28, 2017 at 7:52 AM, Massimo Franceschet > <massimo.franceschet at gmail.com> wrote: > > Hi. > > > > I am trying BaseX version 8.6.7 with java version “9.0.1” on a macOS > Sierra, > > planning to show it in classroom. When running the GUI I am getting the > > following error: > > > > WARNING: An illegal reflective access operation has occurred > > WARNING: Illegal reflective access by org.basex.gui.GUIMacOSX > > (file:/Applications/basex/basex/BaseX.jar) to method > > com.apple.eawt.Application.getApplication() > > WARNING: Please consider reporting this to the maintainers of > > org.basex.gui.GUIMacOSX > > WARNING: Use --illegal-access=warn to enable warnings of further illegal > > reflective access operations > > WARNING: All illegal access operations will be denied in a future release > > Failed to initialize native Mac OS X interface > > > > Thanks for help. > > > > Massimo >
AB
Andy Bunce29 Nov 2017 12:45 #
Hi Massimo,
Seems to be a common problem running with Java 9.
This link [1] suggests some command line work arounds (untested by me)
/Andy
[1]
https://blog.codefx.org/java/java-9-migration-guide/#Illegal-Access-To-Internal-APIs
Quoted text · Massimo Franceschet · 48 lines
On 29 November 2017 at 11:25, Massimo Franceschet < massimo.franceschet at gmail.com> wrote: > No, it is not running. > > Best, > > Massimo > > Il 28 Nov 2017 17:18, "Christian Grün" <christian.gruen at gmail.com> ha > scritto: > >> Hi Massimo, >> >> It seems Mac OSX support is getting more and more difficult with each >> Java release. >> Could you still run BaseX in spite of the returned warnings? >> >> Best, >> Christian >> >> >> >> On Tue, Nov 28, 2017 at 7:52 AM, Massimo Franceschet >> <massimo.franceschet at gmail.com> wrote: >> > Hi. >> > >> > I am trying BaseX version 8.6.7 with java version “9.0.1” on a macOS >> Sierra, >> > planning to show it in classroom. When running the GUI I am getting the >> > following error: >> > >> > WARNING: An illegal reflective access operation has occurred >> > WARNING: Illegal reflective access by org.basex.gui.GUIMacOSX >> > (file:/Applications/basex/basex/BaseX.jar) to method >> > com.apple.eawt.Application.getApplication() >> > WARNING: Please consider reporting this to the maintainers of >> > org.basex.gui.GUIMacOSX >> > WARNING: Use --illegal-access=warn to enable warnings of further illegal >> > reflective access operations >> > WARNING: All illegal access operations will be denied in a future >> release >> > Failed to initialize native Mac OS X interface >> > >> > Thanks for help. >> > >> > Massimo >> >
CG
Quoted text · Massimo Franceschet · 1 line
> No, it is not running.
I’ve uploaded a new snapshot that ignores Mac OSX initialization failures; could you give it a try [1,2]?
I’ve found various user reports that point to the same problem in other applications. Apparently, reflective access to the Apple UI API is now illegal in Java 9 – “The APIs in the com.apple.eawt and com.apple.eio packages are encapsulated, so you won’t be able to compile against them in JDK 9” [3] – so Mac users with Java 9 will need to live with the standard Swing components until BaseX will eventually be upgraded to Java 9.
Right now, I recommend everyone to work with Java 8 anyway until the new JVM has further stabilized (there have been other
platform-independent issues with Java 9 that have been reported to us in the recent past).
Best,
Christian
[1] http://files.basex.org/releases/latest/
[2] https://github.com/BaseXdb/basex/commit/c02581c8ed4929ec8f4113eff53cc0ba8132045e [3] https://docs.oracle.com/javase/9/migrate/toc.htm#JSMIG-GUID-CACA0F19-2AFA-4214-BBEA-DC4D07702B2D
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